OPPO Enco Free3 Wireless Active Noise Reduction In-Ear Music Sports Bluetooth Earphones(Green)

Features:1. Front chamber sound filter system, releasing high-quality sound2. Rear cavity bass tube, effectively enhance the bass energy3. Ergonomic design, comfortable to wear4. Support multi-device connection, no pairing, no switching5. Independent spatial sound effects, not limited to mobile phones and audio APPs6. Deep noise reduction, bring comfortable experience7. Bamboo fiber diaphragm, pure sound, silky experienceProduct parameters:1. Bluetooth version: 5.32. Effective distance: 10 meters3. Sound unit: 12.4mm moving coil unit4. Loudspeaker diaphragm material: TPE+PU+bamboo fiber5. Speaker sensitivity: 107dB@1kHz6. Frequency response range: 20Hz-40kHz7. Microphone sensitivity: -30dBV/Pa8. Noise reduction depth: 49dB9. Noise control mode: intelligent dynamic noise reduction / deep noise reduction / moderate noise reduction / mild noise reduction / transparent mode / noise reduction off10. Call noise reduction: dual microphones + AI call noise reduction11. Bluetooth codec: LDAC/LC3/AAC/SBC12. Battery capacity: 43mAh (headphone) / 440mAh (charging box)13. Charging time: 90min (earphone)/120min (earphone+charging